const zero = (num: number): string => {
    return num < 10 ? "0" + num : num + ""
}

// 获取随机id
const getId = (): string => {
    return 'xxx-xxx'.replace(/[xy]/g, function (c) {
        var r = Math.random() * 16 | 0,
            v = c == 'x' ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
}

export { zero, getId }